OpenTechnical

OT-2026-000055680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055680) never changes.

Identity and time

Publication numberOT-2026-000055680 · never reused
Internal UUID01a0ae86-a103-741b-b827-2a3de452fc39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055680
StatusPUBLIC

Content hashes

Canonical text8f788c441f26eedad8410fc57972809b8a7368b567ae93115bc33257a157e319
Markdown9ac8053bc87caf7dc64b08c1fa80cf685160aba894ec880bc2dda79807d9c7b6
PDF
Publication page4cbac51529359a0ae1cc1c727c6594da7f753865e89a2525354429558877d3a9
Manifest9c7fb3644cf2e646758896e4185c03ff743e897f60c3ae7af047b2868a2a02e9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNcewDySJjl8eW7iQFYWreo/5kzNtCuSZGWlBVGufTHcftEAzMh3XpwGiaGJcsIv5xscAuW2nYl9HPaQu7YOSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:56.719340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055680
observed 4cbac51529359a0ae1cc1c727c6594da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.701822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055680/manifest.json
observed 9c7fb3644cf2e646758896e4185c03ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.683051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055680/publication.md
observed 9ac8053bc87caf7dc64b08c1fa80cf68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.662746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055680/publication.txt
observed 8f788c441f26eedad8410fc57972809b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.